Set to appear in the medical drama from early April, the actor will be playing a paediatric surgeon who is drafted in to help out at Grey Sloan Memorial Hospital, TV Guide reports. Details of his character are still under wraps.

Fabian has previously guest-starred on Rhimes's other shows Private Practice and Scandal, and has appeared in Hawaii Five-0 and Desperate Housewives.

It was recently revealed that Grey's Anatomy stars Ellen Pompeo and Patrick Dempsey, who have been in the show since its 2005 premiere, have signed new two-year contracts with the show.